Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow velocity and pressure are inversely proportional total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds velocity and pressure are inversely proportional total energy is constant throughout the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion surface tension friction viscosity cohesion surface tension friction viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and cross section change uniformly along length the flow is steady the flow is streamline size and shape of the cross section in a particular length remain constant size and cross section change uniformly along length the flow is steady the flow is streamline size and shape of the cross section in a particular length remain constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two dimensional flow occurs when the magnitude and direction of the velocity do not change from point to point in the fluid the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane the magnitude and direction of the velocity do not change from point to point in the fluid the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time the direction and magnitude of the velocity at all points are identical the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 337.5 300 600 675 337.5 300 600 675 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The shear stress distribution for a fluid flowing in between the parallel plates, both at rest, is parabolic distribution across the section constant over the cross section zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint parabolic distribution across the section constant over the cross section zero at the mid plane and varies linearly with distance from mid plane zero at plates and increases linearly to midpoint ANSWER DOWNLOAD EXAMIANS APP
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